the wild since their ranges do not overlap . the two species can be distinguished by a number of characteristics : the ro ##st ##rum of h . american ##us bears one or more spines on the underside , which are lacking in h . gamma ##rus . the spines on the claws of h . american ##us are red or red @ - @ tipped , while those of h . gamma ##rus are white or white @ - @ tipped . the underside of the claw of h . american ##us is orange or red , while that of h . gamma ##rus is creamy white or very pale red . female h . gamma ##rus reach sexual maturity when they have grown to a cara
the wild since their ranges don't overlap. the two species can be distinguished by a number of characteristics : the rostrum of h. americanus bears one or more spines on the underside, which are lacking in h. gammarus. the spines on the claws of h. americanus are red or red @ - @ tipped, while those of h. gammarus are white or white @ - @ tipped. the underside of the claw of h. americanus is orange or red, while that of h. gammarus is creamy white or very pale red. female h. gammarus reach sexual maturity when they have grown to a cara